Key facts
- Yevhenii Khmara, head of Ukraine's security services, is set to become acting defense minister.
- President Zelenskyy announced the appointment, citing Khmara's experience in technological combat operations.
- Khmara must retire from military service to formally hold the defense minister position.
- Mykhailo Fedorov was dismissed as defense minister after six months in the role.
- Fedorov's tenure was marked by efforts to reform military technology and reported clashes with generals.
